keep those without the executable bit for easy download through thttpd

0. setup dos partition layout and create filesystem
1. slackstrap.bash		boostrap slackware from console or vmm host system
2. slackconf.bash		setup fstab and boot-blocks
3. slacknet.bash (optional)	setup networking
4. slacktune.bash (optional)	further sysprep tuning

slackstart.bash is just a wrapper to run all that at once